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प्रश्न
Differentiate between
bronchi and alveoli.
उत्तर
Bronchi
- The two branching tubes of the trachea is called bronchi.
- There are two bronchi
- The walls of bronchi are not richly supplied with blood capillaries.
Alveoli
- The outgrowths of microscopic air sacs are called alveoli.
- There are millions of alveolar sacs.
- The walls of the bronchioles are richly supplied with blood capillaries.
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